How to make a Microphone Step 1. I went ahead and altered the design to include a volume Pot. Is that right, or am I backwards in my thinking and actually need a 100K Ohm Pot? Fig. After you connect the wire leads to the mic cartridge seal the entire back of the cartridge with non-conductive epoxy making sure to overlap a touch where the back meets the sides. DO NOT let the cost fool you, this mic's frighteningly good performance will blow your mind -and it's easy to build! By checking as you go you can identify a problem when it occurs rather than having to go through the entire, completed circuit to find a single cold joint (which can easily become a hair-pulling experience!). Also not sure but I think the panasonic mic cartridge does not output balanced – so to get really balanced output of this device would require a transformer? This factor has contributed to the recent popularity of ultra-small-diaphragm condensers. It seems like we are in a new golden age for synthesizers right now and it’s exciting to see how many really amazing instruments are on the market at fairly affordable prices. This easy-to-make kids microphone will make any little guy or gal feel like the star of their own show! Thirdly, this mic uses a proprietary, portable power supply instead of phantom power. With moderate care and attention anyone can easily build a pair of these mics in an afternoon. In audio design simple is generally better, and this is the epitome of simplicity. I've written this article so that anyone who wants a great condenser mic (or those who just want more of them) can have their wish. For around $20 (US) anyone can build an extremely accurate, life-like condenser microphone. I just built these and will be running tests pretty soon, does anyone happen to have any sound samples they have recorded with these? Buy or borrow a simple multi-meter for use during construction. Happy for you to correct me if I am wrong on these points. This capsule is a high-quality back electret type with a frequency response that is ruler flat from 20Hz to 20kHz. This makes it a great choice for location recording, binaural nature recordings, or anyone forced to rely on dynamic mics because their gear lacks phantom power capability. by simply pointing the tip of mic 90-degrees from the source. I use phantom power all the time with all my condensers and I prefer not dealing with batteries if I can help it. All we do for this experiment is take a microphone and connect it to a 3.5mm plug. 2b designed for use with unbalanced inputs only. Thirdly, this mic uses a proprietary, portable power supply instead of … http://m.ebay.com/itm/Panasonic-WM-61A-Electret-Condenser-MIC-Capsule-2PCS-/170808280062. You may notice that there is no “power” switch on the power supply diagrams. If you are certain that you will never want to drive a balanced input, you can opt for the supply shown in Fig. Can these schematics be made bypassing the 9v battery? Well that’s about to change. There are several good points worth a quick mention regarding this microphone: Firstly, it uses an extremely simple circuit with very few components. This is not a complicated project, so it won’t take long. SPKR MiK: How to Make a Microphone From a Speaker. DIY Dynamic Microphone W/ Pre-amp: Hello everyone!We (gberthou & ekyr) would like to present you an Instructable that started as project for the course of Sensor Based Systems in KTH, Sweden. 2 — the power supply. Check and recheck your progress. It is an audio document of sacred spaces, capturing their acoustic and consciousness-altering properties. Brilliant project by the way!! Shrinkwrap is available from any electronic supply store. Assemble the microphone-funnel structure. Lastly, because this mic uses a tiny 6-mm diaphragm, it has incredibly fast impulse response, which essentially means that its sound reproduction is extremely accurate and life-like. With this dot in the 12 o’clock position Terminal 2 is left while Terminal 1 is right.). ), This project consists of two main parts: Fig. When I visited Nashville and interviewed Vance Powell [Tape Op #82] years ago, I met his buddy, Mitch Dane, who shared the Sputnik Sound studio space with him. Secondly, because it is such a simple circuit, it is very easy to build, even if you have no previous electronics building experience. Does the capacitor have to be 9V or does it not really matter as long as it’s 1000pF? If you choose to mount your cartridge the same way, sink it by pressing gently on the edges of the cartridge. It can be used at your local fishing hole, a river, lake or even an ocean. 2b designed for use with unbalanced inputs only. I’m looking into building this microphone, but I have absolutely no experience with circuits. Many thanks to Phil Rastoczny for writing the article on the Realistic PZM modification that is the basis for this microphone. Build your own hydrophone - an underwater microphone that can detect sound waves under water. Now we're going to build the simplest microphone circuit that can be built so that you can use the microphone to record speech on any audio software on a computer. Seems the WM-60AY’s have been discontinued. mini-disc multitracks), simply use an XLR female to 1/8" male adapter cable connecting pin 2 to tip and pins 1 and 3 to sleeve. I chose to mount mine in the end of the rubber boot of a Neutrik XLR connector (see photos). There are several good points worth a quick mention regarding this microphone: Firstly, it uses an extremely simple circuit with very few components. I’d like to use my phantom power on my AI. This is because the battery will only drain when the mic is plugged in. Based on my limited understanding, it seemed the way to go was with a 10K Ohm Pot. With moderate care and attention anyone can easily build a pair of these mics in an afternoon. When you are finished the mic will give you years of excellent performance. Lead singer and guitarist Jim Heath is certainly the focal point, but his pal, Jimbo Wallace, has been slapping the upright... Jon Castelli is a mix engineer and producer working out of his studio, The Gift Shop, in the Arts District of downtown Los Angeles. ). note: the original TapeOp article incorrectly specified the model as WM-66AY] Omnidirectional Microphone Cartridge (available from Digi-Key at 800-344-4539, part # P9959-ND). As such there’s not much stuff in it to screw up the sound. These mics are awesome for stereo recording. Secondly, because it is such a simple circuit, it is very easy to build, even if you have no previous electronics building experience. Connect the microphone cable to an input recording device. Work slowly! When using it to drive an 1/8'' unbalanced mic input (such as those on many cassette and mini-disc multitracks), simply use an XLR female to 1/8'' male adapter cable connecting pin 2 to tip and pins 1 and 3 to sleeve. I was able to effectively control the ambiance in a vocal track by placing the mic below the singer’s head in a carpeted room, pointing up at him while he sang down at the mic. I think this is a great project, you can make it from the comfort of your home with a few supplies handy. Secondly, because it is such a simple circuit, it is very easy to build, even if you have no previous electronics building experience.